Input: hil-mlc - use del_timer_sync() when unloading the driver
del_timer() does not wait for the timer to finish running before returning
and therefore is technically not safe. Also make sure to enable tasklet
before kicking timer that will schedule it.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/input/serio/hil_mlc.c b/drivers/input/serio/hil_mlc.c
index 7ba9f2b..6cd03eb 100644
--- a/drivers/input/serio/hil_mlc.c
+++ b/drivers/input/serio/hil_mlc.c
@@ -993,10 +993,8 @@
static int __init hil_mlc_init(void)
{
- init_timer(&hil_mlcs_kicker);
- hil_mlcs_kicker.expires = jiffies + HZ;
- hil_mlcs_kicker.function = &hil_mlcs_timer;
- add_timer(&hil_mlcs_kicker);
+ setup_timer(&hil_mlcs_kicker, &hil_mlcs_timer, 0);
+ mod_timer(&hil_mlcs_kicker, jiffies + HZ);
tasklet_enable(&hil_mlcs_tasklet);
@@ -1005,7 +1003,7 @@
static void __exit hil_mlc_exit(void)
{
- del_timer(&hil_mlcs_kicker);
+ del_timer_sync(&hil_mlcs_kicker);
tasklet_disable(&hil_mlcs_tasklet);
tasklet_kill(&hil_mlcs_tasklet);